MCP server

FHI MCP Server Security Audit

dev.workers.fhi-llc-1118.polished-truth-c514/fhi-x402-security-tools

Checked 28 Oct 2026, 09:03 UTC · Connected to it and listed its tools

Free payment guide and Base-USDC x402 MCP security, package, domain, and SEC tools.

Working at last checkAbout 976 tokens per request once connected7 tools

https://polished-truth-c514.fhi-llc-1118.workers.dev/mcp

At a glance

Type: MCP server
Publisher: Not verified
Status: Working at last check
Tools: 7
Token cost: About 976 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 28 Oct 2026, 09:03 UTC

Connect it to your agent

Add to Cursor Add to VS Code VS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http fhi-x402-security-tools https://polished-truth-c514.fhi-llc-1118.workers.dev/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.fhi-x402-security-tools]
url = "https://polished-truth-c514.fhi-llc-1118.workers.dev/mcp"

Gemini CLI

{"mcpServers":{"fhi-x402-security-tools":{"httpUrl":"https://polished-truth-c514.fhi-llc-1118.workers.dev/mcp"}}}

Cursor

{"mcpServers":{"fhi-x402-security-tools":{"url":"https://polished-truth-c514.fhi-llc-1118.workers.dev/mcp"}}}

VS Code

{"servers":{"fhi-x402-security-tools":{"type":"http","url":"https://polished-truth-c514.fhi-llc-1118.workers.dev/mcp"}}}

Antigravity

agy mcp add fhi-x402-security-tools https://polished-truth-c514.fhi-llc-1118.workers.dev/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"fhi-x402-security-tools","server_url":"https://polished-truth-c514.fhi-llc-1118.workers.dev/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"fhi-x402-security-tools","server_url":"https://polished-truth-c514.fhi-llc-1118.workers.dev/mcp"}

Tools

domain_change_evidence ~129 tokens
Stateful DNS, CAA, and certificate-transparency monitoring for a public domain. The first call establishes a baseline; later calls return evidence changes and certificate-expiry signals. ($0.01 USDC on Base)
mcp_change_evidence ~181 tokens
Stateful live remote-MCP monitor for tool-rug-pull and tool-poisoning risk. Establishes an endpoint baseline, then detects added or removed tools, altered tool descriptions, risk-score changes, and newly observed high-risk capability signals before an agent reconnects or pays. Unlike a manifest diff
mcp_payment_preflight ~173 tokens
MCP server security audit before an agent connects or pays: probes initialize and tools/list, then returns an ALLOW, CAUTION, or BLOCK risk score for command, filesystem, or wallet capabilities; prompt-injection or data-exfiltration signals; permissive JSON-schema inputs; missing HSTS; and a large t
mcp_vendor_due_diligence ~176 tokens
One decision-ready due-diligence dossier before an agent adopts or pays an MCP vendor: live MCP metadata and tool-risk preflight, DNS/CAA/certificate evidence, plus optional SEC material-filing evidence for a public company. Does not execute vendor tools or certify safety. ($0.10 USDC on Base)
package_install_preflight ~153 tokens
npm or PyPI install preflight: blocks missing packages, detects near-name typosquats when an expected name is supplied, and checks OSV advisories. ($0.003 USDC on Base)
payment_info ~49 tokens
Free guide to the FHI MCP tools, Base-USDC x402 payment flow, and per-tool prices.
sec_material_event_delta ~115 tokens
New SEC 8-K, 6-K, and late-filing evidence since a cursor date; accepts a ticker or CIK. ($0.01 USDC on Base)

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